Introduction of Sodium Acid Pyrophosphate(SAPP)
Sodium Acid Pyrophosphate is one main ingredient of Baking Powder as an acid mixed with the baking soda.
Other names:
Disodium Pyrophosphate
Disodium Dihydrogen Pyrophosphate
Disodium Dihydrogen Diphosphate
Acid Sodium Pyrophosphate
Na2H2P2O7 Formula wt 221.94
INS: 450(i) CAS: [7758-16-9]
DESCRIPTION
Sodium Acid Pyrophosphate occurs as a white, crystalline powder or granules. It is soluble in water. The pH of a 1:100 aqueous solution is about 4. It may contain a suitable aluminum and/or calcium salt to control the rate of reaction in leavening systems.
Function: Buffer; emulsifier; leavening agent; sequestrant.
